Isx15 VGT Actuator Issue

I'm thinking it wore out had the same problem with the only isx ill ever own was a 2350

 

Pull the exhaust pressure sensor out and make sure the tube feeding it isn't plugged, I usually blow through it with a blow nozzle. Not a bad idea to replace the sensor either, they do tend to bias over time.

 

Hi , Any update on this issue . I have exact same problem. 2015 ISX15 Cummins .

 

short answer their junk

 

Make sure you are doing the procedure correctly. On insite, its a 2 step process. you do the install procedure with the actuator plugged in but off the turbo, then the calibration procedure once installed on the turbo. Do not turn the keyswitch off between steps.

For a 2250, the sector gear(turbo) should be rotates toward the compressor housing, the "install position" should be stamped on the turbo.

Never move the actuator gear once the "install" procedure is started on insite. You will see the actuator gear rotate back in forth as it goes through the process(install procedure before bolting onto the turbo). Once it completes, when you bolt it onto the turbo, do your damnest not to rotate it when trying to line up on the sector gear of the turbo.

Ensure sector gear has FULL travel across entire range before installing.

The actuators also can be kind of junk. But, never had much luck bringing a turbo back to life if it was initially found with a binding sector gear.

You can also use the hysteresis test on insite. another poster brought up the exhaust gas pressure sensor as well -- verify a correct reading key on engine off(ambient air pressure, not fluctuating) as well as the tube not blocked.